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    • 3. 发明申请
    • A METHOD FOR THE DELIGNIFICATION OF FIBROUS MATERIAL AND USE OF A CATALYST
    • 纤维材料的分级方法和催化剂的使用
    • WO1997044520A1
    • 1997-11-27
    • PCT/EP1997002557
    • 1997-05-20
    • PATT, RudolfMIELISCH, Hans-JürgenODERMATT, JürgenWIEGHARDT, K.WEYERMÜLLER, Thomas
    • D21C09/10
    • B01J31/182B01J31/2239B01J2531/0216B01J2531/0258B01J2531/72B01J2531/842D21C9/1036D21C9/163
    • The invention refers to a method to delignify fibrous material comprising an aqueous suspension of fibers which has a consistency between 5 % - 40 %, with a peroxy compound that is used in amounts between 0.5 % - 10 % based on bone dry fibrous material, and with a metal complex of the general formula (1): [LnMnmXp] Yq wherein Mn stands for manganese or iron, which can be present in oxidation state II, III, IV or V or in mixtures of these states; n and m are the integers 1-4; X is a coordinating ligand; p is an integer from 0 to 12; z is the charge of the complex and can be positive, neutral or negative; Y is a counter-ion or -molecule which depends on the charge of the complex; q is equal to z divided by the charge of Y; and L is a ligand and is represented by a macrocyclic organic molecule with general formula (2) wherein R , R , R and R can be either zero, H, alkyl, aryl or otherwise optionally substituted; D and D' are either N, NR, PR O, or S, wherein R can be substituted by H or alkyl or aryl or otherwise optionally substituted; t and t' are whole integers from 2 to 3, s is an integer between 2 and 4, u is an integer from 1 to 20, and v is 0 or 1; this metal complex is used at an amount of 0.0001 % - 0.1 % based on bone dry fibrous material, wherein the fibers are delignified at an initial pH-level between 7.5 and 13.5, at a reaction temperature between 20 DEG C and 130 DEG C, and with a reaction time between 15 and 360 minutes. Further, the invention relates to the use of a metal complex.
    • 本发明涉及一种脱木质纤维材料的方法,该纤维材料包含一种具有5%-40%的稠度的纤维的水性悬浮液与基于骨干纤维材料的用量为0.5%-10%的过氧化合物,以及 与通式(1)的金属络合物:[LnMnmXp] Yq其中Mn代表锰或铁,其可以以氧化态II,III,IV或V存在或以这些状态的混合物存在; n和m是整数1-4; X是配位配体; p是0至12的整数; z是络合物的电荷,可以是正的,中性的或负的; Y是取决于复合物的电荷的抗衡离子或分子; q等于z除以Y的电荷; 并且L是配体,并且由通式(2)的大环有机分子表示,其中R 1,R 2,R 3和R 4可以是0,H,烷基,芳基或 否则任选取代; D和D'是N,NR,PR O或S,其中R可以被H或烷基或芳基取代或以其它方式取代; t和t'是2至3的整数,s是2和4之间的整数,u是1至20的整数,v是0或1; 该金属络合物的使用量相对于骨干纤维材料为0.0001〜0.1%,其中纤维在初始pH值为7.5〜13.5之间,在20℃〜130℃的反应温度下脱木质素, 反应时间在15到360分钟之间。 此外,本发明涉及金属络合物的用途。
    • 6. 发明申请
    • VERFAHREN ZUM HERSTELLEN VON FASERSTOFF AUS HOLZ
    • 方法木材生产的纸浆
    • WO2011127999A1
    • 2011-10-20
    • PCT/EP2010/064780
    • 2010-10-05
    • VOITH PATENT GMBHPAASCH, VolkerPATT, RudolfKORDSACHIA, Othar
    • PAASCH, VolkerPATT, RudolfKORDSACHIA, Othar
    • D21C3/06
    • D21C3/06
    • Die Erfindung betrifft ein Verfahren zum Herstellen von Faserstoff und einen Faserstoff aus Holz mit einem Ligningehalt von mindestens 15 % für Nadelholz und von mindestens 12 % für Laubholz, jeweils bezogen auf die otro Fasermasse, mit den Schritten - Herstellen einer Chemikalienlösung mit einem pH-Wert zwischen pH 1,5 und pH 5,0, wobei zum Einstellen des pH-Wertes SO 2 -Gas in Wasser gelöst wird, und wobei Oxide, Hydroxide oder Salze von Natrium, Kalzium oder Magnesium, alternativ auch Ammonium, Methanol und/oder Ethanol als Base zugegeben werden - Mischen der Chemikalienlösung mit Holz in einem vorgegebenen Flottenverhältnis - Erwärmen der Chemikalienlösung und des Holzes auf eine Temperatur über Raumtemperatur und anschließend - entweder (1. Alternative) Entfernen frei fließender Chemikalienlösung und Aufschließen des Holzes in der Dampfphase - oder (2. Alternative) Aufschließen des Holzes in flüssiger Phase und Separieren der frei fließenden Chemikalienlösung und des Holzes.
    • 本发明涉及一种用于生产纸浆和带的至少15%为软木的木质素含量和至少12%为硬木由木材制成的纤维材料,各自基于包括以下步骤纤维的烘箱干燥质量 - 制备具有pH值的化学溶液 pH为1.5和pH 5.0,将其溶解到调整SO2气体的pH值在水,并且其中间的氧化物,氢氧化物或钠,钙或镁,或者铵,甲醇和/或乙醇作为盐 碱被添加 - 化学溶液的加热和木高于室温的温度,然后温度 - - 化学品与木材中的预定液比溶液混合或者(备选1)除去自由流动的化学溶液和在气相中消化木材 - 或(2 替代)消化在自由流动的药液和去的液相和分离的木 小号木材。
    • 9. 发明申请
    • METHOD FOR BLEACHING OF LIGNOCELLULOSIC FIBERS
    • 漂白纤维素纤维的方法
    • WO1997039179A1
    • 1997-10-23
    • PCT/EP1997001865
    • 1997-04-14
    • JASCHINSKI, ThomasPATT, Rudolf
    • D21C09/10
    • D21C9/1036D21C9/163
    • The invention relates to a method for the bleaching of lignocellulosic fibers wherein lignocellulosic fibers are treated with at least one oxidizing bleaching chemical in aqueous solution. The invention also relates to the application of additives for bleaching lignocellulosic fibers and to the application of an aqueous solution containing at least one additive for bleaching lignocellulosic fibers. In the context of this paper, the term "lignocellulosic fibers" includes all sorts and types of pulp like e.g. chemical and mechanical pulp, dissolving pulp or pulp prepared from waste paper but also natural fibers like cotton or flax fibers. The method for bleaching of lignocellulosic fibers according to the invention is characterized in that lignocellulosic fibers are treated with at least one oxidizing bleaching agent in aqueous solution in the presence of at least one additive which activates delignification and/or bleaching, the additive being selected among the phenanthrolines and/or polypyridyles. The method is applicable to all known oxidizing bleaching agents like oxygen, ozone and/or peroxo-chemicals or mixtures thereof especially for peroxo-chemicals which comprise hydrogen peroxide, sodium peroxide, perborates, performic acid, peracetic acid or caroic acid and/or salts thereof.
    • 本发明涉及一种用于漂白木质纤维素纤维的方法,其中木质纤维素纤维用水溶液中的至少一种氧化漂白化学品处理。 本发明还涉及用于漂白木质纤维素纤维的添加剂的应用,以及含有至少一种用于漂白木质纤维素纤维的添加剂的水溶液的应用。 在本文的上下文中,术语“木质纤维素纤维”包括各种类型的纸浆,例如, 化学和机械纸浆,溶解纸浆或废纸制备的纸浆,但也包括天然纤维如棉花或亚麻纤维。 根据本发明的木质纤维素纤维的漂白方法的特征在于,在存在至少一种激活脱木质素和/或漂白的添加剂的情况下,用至少一种氧化漂白剂在水溶液中处理木质纤维素纤维,添加剂选自 菲咯啉和/或聚吡啶基。 该方法适用于所有已知的氧化漂白剂,例如氧气,臭氧和/或过氧化学物质或其混合物,特别是对于过氧化物,其包含过氧化氢,过氧化钠,过硼酸盐,甲酸,过乙酸或胡萝卜酸和/或盐 它们。